19942724

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 35679840

約数和(自身を除く): 15737116

約数列:

[1, 2, 4, 73, 146, 163, 292, 326, 419, 652, 838, 1676, 11899, 23798, 30587, 47596, 61174, 68297, 122348, 136594, 273188, 4985681, 9971362, 19942724]

約数ペア:

[(1, 19942724), (2, 9971362), (4, 4985681), (73, 273188), (146, 136594), (163, 122348), (292, 68297), (326, 61174), (419, 47596), (652, 30587), (838, 23798), (1676, 11899)]